# SDR IPXA2026061359943

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2026
- Submitted: June 16, 2026
- Operation: Air carrier
- Aircraft: [N577UP](https://openairdocs.org/aircraft/N577UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35666
- Aircraft time: 63,511 hours, 9,924 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Duct
- Part number: 112U47202
- Condition: Damaged
- Location: Zone 600
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2026061359943

## Discrepancy

FOUND R/H WING FUEL VENT DUCT FWD SIDE HAS ENLARGE HOLE.  PERFORMED NDT/UT FOR REWORKED AREA PLUS 6'' AROUND HEATED AREA I.A.W 747 NTM PART1 51-01-01 REV:182.   FOUND R/H WING FUEL VENT DUCT FWD SIDE HAS ENLARGE HOLE. I.A.W. 747-400F SRM 57-51-01-2R-1 REFER TO SRM 51-70-17-0G-0 REV. 106  REMOVE THE ENLARGED MATERIALS AND CLEAN. BOND THE REPAIR PLIES WITH RESIN CURED AT 200°F FOR 220 MINUTES WITH MINIMUM VACUUM OF 22 IN/HG. CONDITION CHECK IS SATISFACTORY.

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